Which famous 20th century author's endorsement of Parker Pens included the line 'It's the pen that helped me write The Old Man and the Sea' and significantly boosted the brand's prestige?

Throughout publishing history, famous authors have lent their names and reputations to endorse products, creating some of the most memorable marketing campaigns in retail. These endorsements have not only boosted sales but sometimes transformed how certain products are perceived in popular culture. Test your knowledge about these literary titans who stepped into the world of product marketing and changed retail history.

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Ernest Hemingway
F. Scott Fitzgerald
John Steinbeck
William Faulkner